xref: /freebsd/sys/dev/sound/pci/fm801.c (revision 5f4c09dd85bff675e0ca63c55ea3c517e0fddfcc)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2000 Dmitry Dicky diwil@dataart.com
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS `AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifdef HAVE_KERNEL_OPTION_HEADERS
30 #include "opt_snd.h"
31 #endif
32 
33 #include <dev/sound/pcm/sound.h>
34 #include <dev/sound/pcm/ac97.h>
35 #include <dev/pci/pcireg.h>
36 #include <dev/pci/pcivar.h>
37 
38 #define PCI_VENDOR_FORTEMEDIA	0x1319
39 #define PCI_DEVICE_FORTEMEDIA1	0x08011319	/* Audio controller */
40 #define PCI_DEVICE_FORTEMEDIA2	0x08021319	/* Joystick controller */
41 
42 #define FM_PCM_VOLUME           0x00
43 #define FM_FM_VOLUME            0x02
44 #define FM_I2S_VOLUME           0x04
45 #define FM_RECORD_SOURCE        0x06
46 
47 #define FM_PLAY_CTL             0x08
48 #define  FM_PLAY_RATE_MASK              0x0f00
49 #define  FM_PLAY_BUF1_LAST              0x0001
50 #define  FM_PLAY_BUF2_LAST              0x0002
51 #define  FM_PLAY_START                  0x0020
52 #define  FM_PLAY_PAUSE                  0x0040
53 #define  FM_PLAY_STOPNOW                0x0080
54 #define  FM_PLAY_16BIT                  0x4000
55 #define  FM_PLAY_STEREO                 0x8000
56 
57 #define FM_PLAY_DMALEN          0x0a
58 #define FM_PLAY_DMABUF1         0x0c
59 #define FM_PLAY_DMABUF2         0x10
60 
61 #define FM_REC_CTL              0x14
62 #define  FM_REC_RATE_MASK               0x0f00
63 #define  FM_REC_BUF1_LAST               0x0001
64 #define  FM_REC_BUF2_LAST               0x0002
65 #define  FM_REC_START                   0x0020
66 #define  FM_REC_PAUSE                   0x0040
67 #define  FM_REC_STOPNOW                 0x0080
68 #define  FM_REC_16BIT                   0x4000
69 #define  FM_REC_STEREO                  0x8000
70 
71 #define FM_REC_DMALEN           0x16
72 #define FM_REC_DMABUF1          0x18
73 #define FM_REC_DMABUF2          0x1c
74 
75 #define FM_CODEC_CTL            0x22
76 #define FM_VOLUME               0x26
77 #define  FM_VOLUME_MUTE                 0x8000
78 
79 #define FM_CODEC_CMD            0x2a
80 #define  FM_CODEC_CMD_READ              0x0080
81 #define  FM_CODEC_CMD_VALID             0x0100
82 #define  FM_CODEC_CMD_BUSY              0x0200
83 
84 #define FM_CODEC_DATA           0x2c
85 
86 #define FM_IO_CTL               0x52
87 #define FM_CARD_CTL             0x54
88 
89 #define FM_INTMASK              0x56
90 #define  FM_INTMASK_PLAY                0x0001
91 #define  FM_INTMASK_REC                 0x0002
92 #define  FM_INTMASK_VOL                 0x0040
93 #define  FM_INTMASK_MPU                 0x0080
94 
95 #define FM_INTSTATUS            0x5a
96 #define  FM_INTSTATUS_PLAY              0x0100
97 #define  FM_INTSTATUS_REC               0x0200
98 #define  FM_INTSTATUS_VOL               0x4000
99 #define  FM_INTSTATUS_MPU               0x8000
100 
101 #define FM801_DEFAULT_BUFSZ	4096	/* Other values do not work!!! */
102 
103 /* debug purposes */
104 #define DPRINT	 if(0) printf
105 
106 /*
107 static int fm801ch_setup(struct pcm_channel *c);
108 */
109 
110 static u_int32_t fmts[] = {
111 	SND_FORMAT(AFMT_U8, 1, 0),
112 	SND_FORMAT(AFMT_U8, 2, 0),
113 	SND_FORMAT(AFMT_S16_LE, 1, 0),
114 	SND_FORMAT(AFMT_S16_LE, 2, 0),
115 	0
116 };
117 
118 static struct pcmchan_caps fm801ch_caps = {
119 	5500, 48000,
120 	fmts, 0
121 };
122 
123 struct fm801_info;
124 
125 struct fm801_chinfo {
126 	struct fm801_info	*parent;
127 	struct pcm_channel	*channel;
128 	struct snd_dbuf		*buffer;
129 	u_int32_t		spd, dir, fmt;  /* speed, direction, format */
130 	u_int32_t		shift;
131 };
132 
133 struct fm801_info {
134 	int			type;
135 	bus_space_tag_t		st;
136 	bus_space_handle_t	sh;
137 	bus_dma_tag_t		parent_dmat;
138 
139 	device_t		dev;
140 	int			num;
141 	u_int32_t		unit;
142 
143 	struct resource		*reg, *irq;
144 	int			regtype, regid, irqid;
145 	void			*ih;
146 
147 	u_int32_t		play_flip,
148 				play_nextblk,
149 				play_start,
150 				play_blksize,
151 				play_fmt,
152 				play_shift,
153 				play_size;
154 
155 	u_int32_t		rec_flip,
156 				rec_nextblk,
157 				rec_start,
158 				rec_blksize,
159 				rec_fmt,
160 				rec_shift,
161 				rec_size;
162 
163 	unsigned int		bufsz;
164 
165 	struct fm801_chinfo	pch, rch;
166 
167 	device_t		radio;
168 };
169 
170 /* Bus Read / Write routines */
171 static u_int32_t
172 fm801_rd(struct fm801_info *fm801, int regno, int size)
173 {
174 	switch(size) {
175 	case 1:
176 		return (bus_space_read_1(fm801->st, fm801->sh, regno));
177 	case 2:
178 		return (bus_space_read_2(fm801->st, fm801->sh, regno));
179 	case 4:
180 		return (bus_space_read_4(fm801->st, fm801->sh, regno));
181 	default:
182 		return 0xffffffff;
183 	}
184 }
185 
186 static void
187 fm801_wr(struct fm801_info *fm801, int regno, u_int32_t data, int size)
188 {
189 
190 	switch(size) {
191 	case 1:
192 		bus_space_write_1(fm801->st, fm801->sh, regno, data);
193 		break;
194 	case 2:
195 		bus_space_write_2(fm801->st, fm801->sh, regno, data);
196 		break;
197 	case 4:
198 		bus_space_write_4(fm801->st, fm801->sh, regno, data);
199 		break;
200 	}
201 }
202 
203 /* -------------------------------------------------------------------- */
204 /*
205  *  ac97 codec routines
206  */
207 #define TIMO 50
208 static int
209 fm801_rdcd(kobj_t obj, void *devinfo, int regno)
210 {
211 	struct fm801_info *fm801 = (struct fm801_info *)devinfo;
212 	int i;
213 
214 	for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
215 		DELAY(10000);
216 		DPRINT("fm801 rdcd: 1 - DELAY\n");
217 	}
218 	if (i >= TIMO) {
219 		printf("fm801 rdcd: codec busy\n");
220 		return 0;
221 	}
222 
223 	fm801_wr(fm801,FM_CODEC_CMD, regno|FM_CODEC_CMD_READ,2);
224 
225 	for (i = 0; i < TIMO && !(fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_VALID); i++)
226 	{
227 		DELAY(10000);
228 		DPRINT("fm801 rdcd: 2 - DELAY\n");
229 	}
230 	if (i >= TIMO) {
231 		printf("fm801 rdcd: write codec invalid\n");
232 		return 0;
233 	}
234 
235 	return fm801_rd(fm801,FM_CODEC_DATA,2);
236 }
237 
238 static int
239 fm801_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
240 {
241 	struct fm801_info *fm801 = (struct fm801_info *)devinfo;
242 	int i;
243 
244 	DPRINT("fm801_wrcd reg 0x%x val 0x%x\n",regno, data);
245 /*
246 	if(regno == AC97_REG_RECSEL)	return;
247 */
248 	/* Poll until codec is ready */
249 	for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
250 		DELAY(10000);
251 		DPRINT("fm801 rdcd: 1 - DELAY\n");
252 	}
253 	if (i >= TIMO) {
254 		printf("fm801 wrcd: read codec busy\n");
255 		return -1;
256 	}
257 
258 	fm801_wr(fm801,FM_CODEC_DATA,data, 2);
259 	fm801_wr(fm801,FM_CODEC_CMD, regno,2);
260 
261 	/* wait until codec is ready */
262 	for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
263 		DELAY(10000);
264 		DPRINT("fm801 wrcd: 2 - DELAY\n");
265 	}
266 	if (i >= TIMO) {
267 		printf("fm801 wrcd: read codec busy\n");
268 		return -1;
269 	}
270 	DPRINT("fm801 wrcd release reg 0x%x val 0x%x\n",regno, data);
271 	return 0;
272 }
273 
274 static kobj_method_t fm801_ac97_methods[] = {
275     	KOBJMETHOD(ac97_read,		fm801_rdcd),
276     	KOBJMETHOD(ac97_write,		fm801_wrcd),
277 	DEVMETHOD_END
278 };
279 AC97_DECLARE(fm801_ac97);
280 
281 /* -------------------------------------------------------------------- */
282 
283 /*
284  * The interrupt handler
285  */
286 static void
287 fm801_intr(void *p)
288 {
289 	struct fm801_info 	*fm801 = (struct fm801_info *)p;
290 	u_int32_t       	intsrc = fm801_rd(fm801, FM_INTSTATUS, 2);
291 
292 	DPRINT("\nfm801_intr intsrc 0x%x ", intsrc);
293 
294 	if(intsrc & FM_INTSTATUS_PLAY) {
295 		fm801->play_flip++;
296 		if(fm801->play_flip & 1) {
297 			fm801_wr(fm801, FM_PLAY_DMABUF1, fm801->play_start,4);
298 		} else
299 			fm801_wr(fm801, FM_PLAY_DMABUF2, fm801->play_nextblk,4);
300 		chn_intr(fm801->pch.channel);
301 	}
302 
303 	if(intsrc & FM_INTSTATUS_REC) {
304 		fm801->rec_flip++;
305 		if(fm801->rec_flip & 1) {
306 			fm801_wr(fm801, FM_REC_DMABUF1, fm801->rec_start,4);
307 		} else
308 			fm801_wr(fm801, FM_REC_DMABUF2, fm801->rec_nextblk,4);
309 		chn_intr(fm801->rch.channel);
310 	}
311 
312 	if ( intsrc & FM_INTSTATUS_MPU ) {
313 		/* This is a TODOish thing... */
314 		fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_MPU,2);
315 	}
316 
317 	if ( intsrc & FM_INTSTATUS_VOL ) {
318 		/* This is a TODOish thing... */
319 		fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_VOL,2);
320 	}
321 
322 	DPRINT("fm801_intr clear\n\n");
323 	fm801_wr(fm801, FM_INTSTATUS, intsrc & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC), 2);
324 }
325 
326 /* -------------------------------------------------------------------- */
327 /* channel interface */
328 static void *
329 fm801ch_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
330 {
331 	struct fm801_info *fm801 = (struct fm801_info *)devinfo;
332 	struct fm801_chinfo *ch = (dir == PCMDIR_PLAY)? &fm801->pch : &fm801->rch;
333 
334 	DPRINT("fm801ch_init, direction = %d\n", dir);
335 	ch->parent = fm801;
336 	ch->channel = c;
337 	ch->buffer = b;
338 	ch->dir = dir;
339 	if (sndbuf_alloc(ch->buffer, fm801->parent_dmat, 0, fm801->bufsz) != 0)
340 		return NULL;
341 	return (void *)ch;
342 }
343 
344 static int
345 fm801ch_setformat(kobj_t obj, void *data, u_int32_t format)
346 {
347 	struct fm801_chinfo *ch = data;
348 	struct fm801_info *fm801 = ch->parent;
349 
350 	DPRINT("fm801ch_setformat 0x%x : %s, %s, %s, %s\n", format,
351 		(AFMT_CHANNEL(format) > 1)?"stereo":"mono",
352 		(format & AFMT_16BIT) ? "16bit":"8bit",
353 		(format & AFMT_SIGNED)? "signed":"unsigned",
354 		(format & AFMT_BIGENDIAN)?"bigendiah":"littleendian" );
355 
356 	if(ch->dir == PCMDIR_PLAY) {
357 		fm801->play_fmt =
358 		    (AFMT_CHANNEL(format) > 1)? FM_PLAY_STEREO : 0;
359 		fm801->play_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0;
360 		return 0;
361 	}
362 
363 	if(ch->dir == PCMDIR_REC ) {
364 		fm801->rec_fmt = (AFMT_CHANNEL(format) > 1)? FM_REC_STEREO:0;
365 		fm801->rec_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0;
366 		return 0;
367 	}
368 
369 	return 0;
370 }
371 
372 struct {
373 	u_int32_t limit;
374 	u_int32_t rate;
375 } fm801_rates[11] = {
376 	{  6600,  5500 },
377 	{  8750,  8000 },
378 	{ 10250,  9600 },
379 	{ 13200, 11025 },
380 	{ 17500, 16000 },
381 	{ 20500, 19200 },
382 	{ 26500, 22050 },
383 	{ 35000, 32000 },
384 	{ 41000, 38400 },
385 	{ 46000, 44100 },
386 	{ 48000, 48000 },
387 /* anything above -> 48000 */
388 };
389 
390 static u_int32_t
391 fm801ch_setspeed(kobj_t obj, void *data, u_int32_t speed)
392 {
393 	struct fm801_chinfo *ch = data;
394 	struct fm801_info *fm801 = ch->parent;
395 	int i;
396 
397 	for (i = 0; i < 10 && fm801_rates[i].limit <= speed; i++) ;
398 
399 	if(ch->dir == PCMDIR_PLAY) {
400 		fm801->pch.spd = fm801_rates[i].rate;
401 		fm801->play_shift = (i<<8);
402 		fm801->play_shift &= FM_PLAY_RATE_MASK;
403 	}
404 
405 	if(ch->dir == PCMDIR_REC ) {
406 		fm801->rch.spd = fm801_rates[i].rate;
407 		fm801->rec_shift = (i<<8);
408 		fm801->rec_shift &= FM_REC_RATE_MASK;
409 	}
410 
411 	ch->spd = fm801_rates[i].rate;
412 
413 	return fm801_rates[i].rate;
414 }
415 
416 static u_int32_t
417 fm801ch_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
418 {
419 	struct fm801_chinfo *ch = data;
420 	struct fm801_info *fm801 = ch->parent;
421 
422 	/*
423 	 * Don't mind for play_flip, set the blocksize to the
424 	 * desired values in any case - otherwise sound playback
425 	 * breaks here.
426 	 */
427 	if(ch->dir == PCMDIR_PLAY)
428 		fm801->play_blksize = blocksize;
429 
430 	if(ch->dir == PCMDIR_REC)
431 		fm801->rec_blksize = blocksize;
432 
433 	DPRINT("fm801ch_setblocksize %d (dir %d)\n",blocksize, ch->dir);
434 
435 	return blocksize;
436 }
437 
438 static int
439 fm801ch_trigger(kobj_t obj, void *data, int go)
440 {
441 	struct fm801_chinfo *ch = data;
442 	struct fm801_info *fm801 = ch->parent;
443 	u_int32_t baseaddr = sndbuf_getbufaddr(ch->buffer);
444 	u_int32_t k1;
445 
446 	DPRINT("fm801ch_trigger go %d , ", go);
447 
448 	if (!PCMTRIG_COMMON(go))
449 		return 0;
450 
451 	if (ch->dir == PCMDIR_PLAY) {
452 		if (go == PCMTRIG_START) {
453 			fm801->play_start = baseaddr;
454 			fm801->play_nextblk = fm801->play_start + fm801->play_blksize;
455 			fm801->play_flip = 0;
456 			fm801_wr(fm801, FM_PLAY_DMALEN, fm801->play_blksize - 1, 2);
457 			fm801_wr(fm801, FM_PLAY_DMABUF1,fm801->play_start,4);
458 			fm801_wr(fm801, FM_PLAY_DMABUF2,fm801->play_nextblk,4);
459 			fm801_wr(fm801, FM_PLAY_CTL,
460 					FM_PLAY_START | FM_PLAY_STOPNOW | fm801->play_fmt | fm801->play_shift,
461 					2 );
462 			} else {
463 			fm801->play_flip = 0;
464 			k1 = fm801_rd(fm801, FM_PLAY_CTL,2);
465 			fm801_wr(fm801, FM_PLAY_CTL,
466 				(k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
467 				FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST, 2 );
468 		}
469 	} else if(ch->dir == PCMDIR_REC) {
470 		if (go == PCMTRIG_START) {
471 			fm801->rec_start = baseaddr;
472 			fm801->rec_nextblk = fm801->rec_start + fm801->rec_blksize;
473 			fm801->rec_flip = 0;
474 			fm801_wr(fm801, FM_REC_DMALEN, fm801->rec_blksize - 1, 2);
475 			fm801_wr(fm801, FM_REC_DMABUF1,fm801->rec_start,4);
476 			fm801_wr(fm801, FM_REC_DMABUF2,fm801->rec_nextblk,4);
477 			fm801_wr(fm801, FM_REC_CTL,
478 					FM_REC_START | FM_REC_STOPNOW | fm801->rec_fmt | fm801->rec_shift,
479 					2 );
480 			} else {
481 			fm801->rec_flip = 0;
482 			k1 = fm801_rd(fm801, FM_REC_CTL,2);
483 			fm801_wr(fm801, FM_REC_CTL,
484 				(k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
485 				FM_REC_BUF1_LAST | FM_REC_BUF2_LAST, 2);
486 		}
487 	}
488 
489 	return 0;
490 }
491 
492 /* Almost ALSA copy */
493 static u_int32_t
494 fm801ch_getptr(kobj_t obj, void *data)
495 {
496 	struct fm801_chinfo *ch = data;
497 	struct fm801_info *fm801 = ch->parent;
498 	u_int32_t result = 0;
499 
500 	if (ch->dir == PCMDIR_PLAY) {
501 		result = fm801_rd(fm801,
502 			(fm801->play_flip&1) ?
503 			FM_PLAY_DMABUF2:FM_PLAY_DMABUF1, 4) - fm801->play_start;
504 	}
505 
506 	if (ch->dir == PCMDIR_REC) {
507 		result = fm801_rd(fm801,
508 			(fm801->rec_flip&1) ?
509 			FM_REC_DMABUF2:FM_REC_DMABUF1, 4) - fm801->rec_start;
510 	}
511 
512 	return result;
513 }
514 
515 static struct pcmchan_caps *
516 fm801ch_getcaps(kobj_t obj, void *data)
517 {
518 	return &fm801ch_caps;
519 }
520 
521 static kobj_method_t fm801ch_methods[] = {
522     	KOBJMETHOD(channel_init,		fm801ch_init),
523     	KOBJMETHOD(channel_setformat,		fm801ch_setformat),
524     	KOBJMETHOD(channel_setspeed,		fm801ch_setspeed),
525     	KOBJMETHOD(channel_setblocksize,	fm801ch_setblocksize),
526     	KOBJMETHOD(channel_trigger,		fm801ch_trigger),
527     	KOBJMETHOD(channel_getptr,		fm801ch_getptr),
528     	KOBJMETHOD(channel_getcaps,		fm801ch_getcaps),
529 	DEVMETHOD_END
530 };
531 CHANNEL_DECLARE(fm801ch);
532 
533 /* -------------------------------------------------------------------- */
534 
535 /*
536  *  Init routine is taken from an original NetBSD driver
537  */
538 static int
539 fm801_init(struct fm801_info *fm801)
540 {
541 	u_int32_t k1;
542 
543 	/* reset codec */
544 	fm801_wr(fm801, FM_CODEC_CTL, 0x0020,2);
545 	DELAY(100000);
546 	fm801_wr(fm801, FM_CODEC_CTL, 0x0000,2);
547 	DELAY(100000);
548 
549 	fm801_wr(fm801, FM_PCM_VOLUME, 0x0808,2);
550 	fm801_wr(fm801, FM_FM_VOLUME, 0x0808,2);
551 	fm801_wr(fm801, FM_I2S_VOLUME, 0x0808,2);
552 	fm801_wr(fm801, 0x40,0x107f,2);	/* enable legacy audio */
553 
554 	fm801_wr((void *)fm801, FM_RECORD_SOURCE, 0x0000,2);
555 
556 	/* Unmask playback, record and mpu interrupts, mask the rest */
557 	k1 = fm801_rd((void *)fm801, FM_INTMASK,2);
558 	fm801_wr(fm801, FM_INTMASK,
559 		(k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
560 		FM_INTMASK_VOL,2);
561 	fm801_wr(fm801, FM_INTSTATUS,
562 		FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
563 		FM_INTSTATUS_VOL,2);
564 
565 	DPRINT("FM801 init Ok\n");
566 	return 0;
567 }
568 
569 static int
570 fm801_pci_attach(device_t dev)
571 {
572 	struct ac97_info 	*codec = NULL;
573 	struct fm801_info 	*fm801;
574 	int 			i;
575 	int 			mapped = 0;
576 	char 			status[SND_STATUSLEN];
577 
578 	fm801 = malloc(sizeof(*fm801), M_DEVBUF, M_WAITOK | M_ZERO);
579 	fm801->type = pci_get_devid(dev);
580 
581 	pci_enable_busmaster(dev);
582 
583 	for (i = 0; (mapped == 0) && (i < PCI_MAXMAPS_0); i++) {
584 		fm801->regid = PCIR_BAR(i);
585 		fm801->regtype = SYS_RES_MEMORY;
586 		fm801->reg = bus_alloc_resource_any(dev, fm801->regtype,
587 						    &fm801->regid, RF_ACTIVE);
588 		if(!fm801->reg)
589 		{
590 			fm801->regtype = SYS_RES_IOPORT;
591 			fm801->reg = bus_alloc_resource_any(dev,
592 							    fm801->regtype,
593 							    &fm801->regid,
594 							    RF_ACTIVE);
595 		}
596 
597 		if(fm801->reg) {
598 			fm801->st = rman_get_bustag(fm801->reg);
599 			fm801->sh = rman_get_bushandle(fm801->reg);
600 			mapped++;
601 		}
602 	}
603 
604 	if (mapped == 0) {
605 		device_printf(dev, "unable to map register space\n");
606 		goto oops;
607 	}
608 
609 	fm801->bufsz = pcm_getbuffersize(dev, 4096, FM801_DEFAULT_BUFSZ, 65536);
610 
611 	fm801_init(fm801);
612 
613 	codec = AC97_CREATE(dev, fm801, fm801_ac97);
614 	if (codec == NULL) goto oops;
615 
616 	if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto oops;
617 
618 	fm801->irqid = 0;
619 	fm801->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fm801->irqid,
620 					    RF_ACTIVE | RF_SHAREABLE);
621 	if (!fm801->irq ||
622 	    snd_setup_intr(dev, fm801->irq, 0, fm801_intr, fm801, &fm801->ih)) {
623 		device_printf(dev, "unable to map interrupt\n");
624 		goto oops;
625 	}
626 
627 	if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
628 		/*boundary*/0,
629 		/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
630 		/*highaddr*/BUS_SPACE_MAXADDR,
631 		/*filter*/NULL, /*filterarg*/NULL,
632 		/*maxsize*/fm801->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
633 		/*flags*/0, /*lockfunc*/NULL, /*lockarg*/NULL,
634 		&fm801->parent_dmat) != 0) {
635 		device_printf(dev, "unable to create dma tag\n");
636 		goto oops;
637 	}
638 
639 	snprintf(status, 64, "at %s 0x%jx irq %jd %s",
640 		(fm801->regtype == SYS_RES_IOPORT)? "io" : "memory",
641 		rman_get_start(fm801->reg), rman_get_start(fm801->irq),PCM_KLDSTRING(snd_fm801));
642 
643 #define FM801_MAXPLAYCH	1
644 	if (pcm_register(dev, fm801, FM801_MAXPLAYCH, 1)) goto oops;
645 	pcm_addchan(dev, PCMDIR_PLAY, &fm801ch_class, fm801);
646 	pcm_addchan(dev, PCMDIR_REC, &fm801ch_class, fm801);
647 	pcm_setstatus(dev, status);
648 
649 	fm801->radio = device_add_child(dev, "radio", -1);
650 	bus_generic_attach(dev);
651 
652 	return 0;
653 
654 oops:
655 	if (codec) ac97_destroy(codec);
656 	if (fm801->reg) bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg);
657 	if (fm801->ih) bus_teardown_intr(dev, fm801->irq, fm801->ih);
658 	if (fm801->irq) bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq);
659 	if (fm801->parent_dmat) bus_dma_tag_destroy(fm801->parent_dmat);
660 	free(fm801, M_DEVBUF);
661 	return ENXIO;
662 }
663 
664 static int
665 fm801_pci_detach(device_t dev)
666 {
667 	int r;
668 	struct fm801_info *fm801;
669 
670 	DPRINT("Forte Media FM801 detach\n");
671 
672 	fm801 = pcm_getdevinfo(dev);
673 
674 	r = bus_generic_detach(dev);
675 	if (r)
676 		return r;
677 	if (fm801->radio != NULL) {
678 		r = device_delete_child(dev, fm801->radio);
679 		if (r)
680 			return r;
681 		fm801->radio = NULL;
682 	}
683 
684 	r = pcm_unregister(dev);
685 	if (r)
686 		return r;
687 
688 	bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg);
689 	bus_teardown_intr(dev, fm801->irq, fm801->ih);
690 	bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq);
691 	bus_dma_tag_destroy(fm801->parent_dmat);
692 	free(fm801, M_DEVBUF);
693 	return 0;
694 }
695 
696 static int
697 fm801_pci_probe( device_t dev )
698 {
699 	int id;
700 
701 	if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA1 ) {
702 		device_set_desc(dev, "Forte Media FM801 Audio Controller");
703 		return BUS_PROBE_DEFAULT;
704 	}
705 /*
706 	if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA2 ) {
707 		device_set_desc(dev, "Forte Media FM801 Joystick (Not Supported)");
708 		return ENXIO;
709 	}
710 */
711 	return ENXIO;
712 }
713 
714 static struct resource *
715 fm801_alloc_resource(device_t bus, device_t child, int type, int *rid,
716 		     rman_res_t start, rman_res_t end, rman_res_t count,
717 		     u_int flags)
718 {
719 	struct fm801_info *fm801;
720 
721 	fm801 = pcm_getdevinfo(bus);
722 
723 	if (type == SYS_RES_IOPORT && *rid == PCIR_BAR(0))
724 		return (fm801->reg);
725 
726 	return (NULL);
727 }
728 
729 static int
730 fm801_release_resource(device_t bus, device_t child, int type, int rid,
731 		       struct resource *r)
732 {
733 	return (0);
734 }
735 
736 static device_method_t fm801_methods[] = {
737 	/* Device interface */
738 	DEVMETHOD(device_probe,		fm801_pci_probe),
739 	DEVMETHOD(device_attach,	fm801_pci_attach),
740 	DEVMETHOD(device_detach,	fm801_pci_detach),
741 	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
742 	DEVMETHOD(device_suspend,	bus_generic_suspend),
743 	DEVMETHOD(device_resume,	bus_generic_resume),
744 
745 	/* Bus interface */
746 	DEVMETHOD(bus_alloc_resource,	fm801_alloc_resource),
747 	DEVMETHOD(bus_release_resource,	fm801_release_resource),
748 	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
749 	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
750 
751 	DEVMETHOD_END
752 };
753 
754 static driver_t fm801_driver = {
755 	"pcm",
756 	fm801_methods,
757 	PCM_SOFTC_SIZE,
758 };
759 
760 DRIVER_MODULE(snd_fm801, pci, fm801_driver, 0, 0);
761 MODULE_DEPEND(snd_fm801, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
762 MODULE_VERSION(snd_fm801, 1);
763